Extracted all the wrongly tagged turn lanes using Overpass turbo:
- Empty turn:lanes:backward
- Empty turn:lanes:forward
- Empty turn:lanes
For each set of empty turn lane tag
- Load the results of the query into JOSM
- Activate the
type:node
filter in JOSM and hide the nodes from selection - Selected all the loaded roads in JOSM and deleted the empty turn lane tag
- Uploaded changes back to OpenStreetMap
Run this query for all empty turn lanes. If the cleanup is over, there will be no results.